Home / 9,403.53-14,103.86-2,478.57

Finding the Fourth Proportional to 9,403.53, 14,103.86 and 2,478.57

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Solution

The fourth proportional to 9,403.53, 14,103.86 and 2,478.57 is: 3,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.53 : 14,103.86 = 2,478.57 : x
  2. Step 2: Convert to fraction form
    9,403.53/14,103.86 = 2,478.57/x
  3. Step 3: Cross multiply
    9,403.53x = 14,103.86 × 2,478.57
  4. Step 4: Simplify right side
    9,403.53x = 34,957,391.89
  5. Step 5: Solve for x
    x = 34,957,391.89/9,403.53
  6. Step 6: Final answer
    x = 3,717.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.